Last iteration of enhanced for loop in java

Is there a way to determine if the loop is iterating for the last time. My code looks something like this: int[] array = {1, 2, 3...}; StringBuilder builder = new StringBuilder(); for(int i :...

Reference — What does this symbol mean in PHP?

What is this? This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this...

When is a condition variable needed, isn't a mutex enough?

I'm sure mutex isn't enough that's the reason the concept of condition variables exist; but it beats me and I'm not able to convince myself with a concrete scenario when a condition variable is...

Force exit from a Makefile target without raising an error

I work with a Makefile generated by an external tool (Netbeans), where I can not change the logic of the main target, but I am able to "inject" logic in a target that is executed before the actual...

Ansible: Perform Cleanup on Task Failure

I'm currently writing an Ansible play that follows this general format and is run via a cron job: pre_tasks: -Configuration / package installation tasks: -Work with installed...

Which is faster: while(1) or while(2)?

This was an interview question asked by a senior manager. Which is faster? while(1) { // Some code } or while(2) { //Some code } I said that both have the same execution speed, as the...

enum to string in modern C++11 / C++14 / C++17 and future C++20

Contrary to all other similar questions, this question is about using the new C++ features. 2008 [tag:c] Is there a simple way to convert C++ enum to string? 2008 [tag:c] Easy way to use...

android alertdialog pause activity

I have activity code into which I want to add a conditional AlertDialog. I'm too new to Android development to t know if this 'Regular' code qualifies as "UI" code or not, but the onCreate() has a...

How to stop a scheduled task that was started using @Scheduled annotation?

I have created a simple scheduled task using Spring Framework's @Scheduled annotation. @Scheduled(fixedRate = 2000) public void doSomething() {} Now I want to stop this task, when no longer...

AbstractMethodError while running Pipeline

I have a Jenkinsfile that runs a pipeline. The pipeline runs correctly on one instance of Jenkins, so I believe there isn't a problem with my script. I am now trying to copy the job over to...

SSRS conditional execution of dataset

I have two different datasets in SSRS report which gives different number of output fields.I have used this two data set into two different tables in report. One table will display output at a...

Jenkinsfile - Conditional stage execution in the Script Pipeline syntax

We are using the Script Pipeline syntax for our Jenkinsfile which has a lot of stage defined to build and deploy our code. We have a use case where I want to run all my stages if I am doing a...

JUnit 5 -- how to make test execution dependent on another test passing?

Student here. In JUnit 5, what is the best way to implement conditional test execution based on whether another test succeeded or failed? I presume it would involve ExecutionCondition, but I am...

How to capture FileReader base64 as variable?

This prints base64 out to console: function getBase64(file) { var reader = new FileReader(); reader.readAsDataURL(file); reader.onload = function() { ...

Can I use fully qualified object names in sqlcmd variables applied in a Visual Studio Database project?

We have a Database project that has a join on a table on another database. Since the other database name may change, the reference to the other database is referenced with a sqlcmd variable, i.e....

Instruction not restored when GDB breakpoint hit

Background I am debugging an Android (ARM) application using gdb and gdbserver (gdb version 7.11). My host gdb is running on Windows 10, while the debugged Android is a Samsung Galaxy J7,...

How to make airflow skip a schedule?

I have a Airflow DAG which is Scheduled to run 10 am @daily. I want to control my DAG trigger such that, if its not scheduled between 10:00 am to 10:30 am , it wont schedule it. LatestOnlyOperator...

Conditional execution based on result of previous stage in declarative pipeline

My pipeline setup is as follows. I need to get it working with adherence to following conditions. Help me defining when blocks and other code to be used and in which stages? If A fails, no other...

Can a load or store be reordered before a conditional?

std::atomic_uint64_t writing_ {0}; std::atomic_uint64_t reading_ {0}; std::array<type, size> storage_ {}; bool try_enqueue(type t) noexcept { const std::uint64_t writing { ...

VSCode, Java, Spring Boot and Maven - Environment variables not being read

Note Well Please see the edit section of the question below, as further investigation has rendered the majority of this question redundant. Similar to this question, I can't seem to pass...

How to model if-expressions with actor systems?

I'm trying to emulate a simple functional language using an actor based execution model where issues arose modelling if-expression. Actor systems nowadays are used basically for speeding up all...

Azure DevOps Conditional execution of Job that depends on a Job in another Stage

I have a pipeline.yaml that looks like this pool: vmImage: image stages: -stage: A jobs: -job: a steps: - script: | echo "This is stage build" echo...

Haskell strategies for speculative execution of conditionals / Alternative

I wonder which parallel strategy, spark, or whatever, can be used for speculative execution of a Haskell program that consists of a lot of conditional tests, recursively. Assume a program that has...

Is there any shortcut/command available to skip karma tests? like -DskipTests for Maven

I have created Maven Web application and I generally use mvn clean install So it execute npm install command as its one of the execution goal and then it run karma tests So my question is, is...

Conditional execution of one rule or another depending on the arguments given to a snakemake pipeline

I am creating a snakemake pipeline where I have, in some point, to filter my results. But there are two kind of filters that I could apply, so I would like to give it as an argument when launching...

Use a top-level await, if supported by the current runtime

Top-level await support was added to Node.js in 14.3.0 via --experimental-top-level-await and later to --harmony-top-level-await. The Problem I need to use a top level await in my ESM script file,...

Python Code: Information on Execution Trace of loops/conditionals

I want to get the execution trace of a python function in terms of the loops and conditionals executed upon completion. However, I want to do this without instrumenting the original python...

React: jsx in a variable vs a function vs a separate component

For rendering smaller components/jsx within a bigger component, there are multiple approaches that one can follow. For example, consider this: Method 1: function BigComponent(props) { const...

tf.keras.models.save_model not saving the probabilistic_model

System information Have I written custom code (as opposed to using a stock example script provided in TensorFlow): Yes OS Platform and Distribution (e.g., Linux Ubuntu 16.04): Ubuntu 20.04...

Can all code optimization by Lisp compile-time evaluation be achieved by an ideal compiler in other languages (such as C++)?

In Lisp you can optimize code by evaluating conditionals during compile time in a Macro. As in, you have a macro (compute-for-N 1) evaluate to code-1 and (compute-for-N 2) evaluate to code-2. If...